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lidar
or LI·DAR
[ lahy-dahr ]
/ ˈlaɪ dɑr /
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noun Electronics, Optics.
a device similar to radar in principle and operation but using infrared laser light instead of radio waves and capable of detecting particles, distant objects, and varying physical conditions in the atmosphere.
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Also called laser radar .
Words nearby lidar
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use lidar in a sentence
Scientific definitions for lidar
lidar
[ lī′där ]
A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of pulsed laser light reflected from their surfaces. Lidar operates on the same principles as radar and sonar.
The equipment used in such detection. See also Doppler effect radar sonar.
The American Heritage® Science Dictionary
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